AirHint found the following cheapest return flights from Barcelona (BCN) to Seoul (ICN) in December 2025 (see full year).

Return flights

09 Dec - 17 Dec	Scandinavian Airlines
01 Dec - 12 Dec	Air China
07 Dec - 18 Dec	Air China
05 Dec - 20 Dec	Air China
08 Dec - 12 Dec	Air China
02 Dec - 19 Dec	Air China
01 Dec - 31 Dec	Air China
02 Dec - 11 Dec	Air China
04 Dec - 14 Dec	Air China
01 Dec - 17 Dec	Air China
11 Dec - 09 Jan	Vueling Airlines
29 Dec - 08 Jan	Lufthansa
25 Dec - 04 Jan	Vueling Airlines
29 Dec - 09 Jan	Lufthansa
30 Dec - 09 Jan	Lufthansa
23 Dec - 03 Jan	Vueling Airlines
29 Dec - 11 Jan	Ryanair
30 Dec - 11 Jan	Lufthansa
24 Dec - 04 Jan	Lufthansa
27 Dec - 14 Jan	LOT

Also check the deals for one-way flights from Barcelona to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Barcelona to Seoul in December from 495€

Return flights